Home / 189,500.19-261,505.26-104,615.43

Finding the Fourth Proportional to 189,500.19, 261,505.26 and 104,615.43

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Solution

The fourth proportional to 189,500.19, 261,505.26 and 104,615.43 is: 144,366.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,500.19 : 261,505.26 = 104,615.43 : x
  2. Step 2: Convert to fraction form
    189,500.19/261,505.26 = 104,615.43/x
  3. Step 3: Cross multiply
    189,500.19x = 261,505.26 × 104,615.43
  4. Step 4: Simplify right side
    189,500.19x = 27,357,485,222.16
  5. Step 5: Solve for x
    x = 27,357,485,222.16/189,500.19
  6. Step 6: Final answer
    x = 144,366.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.